diff --git a/pkg/apis/admissionregistration/types.go b/pkg/apis/admissionregistration/types.go
index 829688a0e54..1d71bc6947a 100644
--- a/pkg/apis/admissionregistration/types.go
+++ b/pkg/apis/admissionregistration/types.go
@@ -298,9 +298,7 @@ type WebhookClientConfig struct {
 	//
 	// If the webhook is running within the cluster, then you should use `service`.
 	//
-	// If there is only one port open for the service, that port will be
-	// used. If there are multiple ports open, port 443 will be used if it
-	// is open, otherwise it is an error.
+	// Port 443 will be used if it is open, otherwise it is an error.
 	//
 	// +optional
 	Service *ServiceReference
diff --git a/staging/src/k8s.io/api/admissionregistration/v1beta1/types.go b/staging/src/k8s.io/api/admissionregistration/v1beta1/types.go
index 9a4a1ddb4f2..f209e7accc2 100644
--- a/staging/src/k8s.io/api/admissionregistration/v1beta1/types.go
+++ b/staging/src/k8s.io/api/admissionregistration/v1beta1/types.go
@@ -254,9 +254,7 @@ type WebhookClientConfig struct {
 	//
 	// If the webhook is running within the cluster, then you should use `service`.
 	//
-	// If there is only one port open for the service, that port will be
-	// used. If there are multiple ports open, port 443 will be used if it
-	// is open, otherwise it is an error.
+	// Port 443 will be used if it is open, otherwise it is an error.
 	//
 	// +optional
 	Service *ServiceReference `json:"service" protobuf:"bytes,1,opt,name=service"`